evaluate =
cosec 12.5 - sec 77.5
Answers
Answered by
2
= cosec(90°-77.5°) - sec 77.5°
= sec 77.5° - sec 77.5°
= 0
Answered by
1
Answer:
sec 1
Step-by-step explanation:
this is your answer
and above is the explanation
Attachments:
Similar questions